/* Mainline — content pages (academy / blog / news / article / series) */
.list-hero { padding-top: clamp(48px, 6vw, 80px); padding-bottom: clamp(28px, 3vw, 44px); }
.list-hero h1 { margin: 18px 0 0; font-size: clamp(2.2rem, 4.4vw, 3.4rem); }
.list-hero .lead { margin-top: 16px; max-width: 56ch; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; }
.fchip { padding: 9px 16px; border-radius: var(--radius-full); border: 1px solid var(--input); background: var(--background); font-family: inherit; font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--ink-2); cursor: pointer; transition: all var(--duration-base) var(--ease-standard); }
.fchip:hover { border-color: var(--ink-3); color: var(--foreground); }
.fchip[aria-pressed="true"] { background: var(--acc-soft); border-color: var(--primary); color: var(--primary); }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card { overflow: hidden; display: flex; flex-direction: column; }
.post-cover { aspect-ratio: 16 / 9; background: var(--muted); border-bottom: 1px solid var(--border); position: relative; }
.post-cover image-slot { width: 100%; height: 100%; }
.post-body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.post-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.read-time { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); white-space: nowrap; }
.post-card h3 { font-size: var(--text-lg); letter-spacing: -0.015em; line-height: 1.3; margin-bottom: 8px; }
.post-card h3 a:hover { color: var(--primary); }
.post-x { color: var(--ink-2); font-size: var(--text-sm); line-height: 1.6; flex: 1; }
.post-meta { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.post-meta .who { display: flex; flex-direction: column; }
.post-meta .who b { font-size: var(--text-xs); font-weight: var(--weight-semibold); }
.post-meta .who span { font-size: var(--text-xs); color: var(--ink-3); font-family: var(--font-mono); }
@media (max-width: 940px) { .post-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .post-grid { grid-template-columns: 1fr; } }
.series-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.series-card { display: grid; grid-template-columns: 0.9fr 1.1fr; overflow: hidden; min-height: 230px; }
.series-cover { background: var(--muted); border-right: 1px solid var(--border); position: relative; }
.series-cover image-slot { width: 100%; height: 100%; position: absolute; inset: 0; }
.series-body { padding: 26px 28px; display: flex; flex-direction: column; }
.series-body h3 { font-size: var(--text-xl); letter-spacing: -0.015em; margin: 14px 0 8px; }
.series-body h3 a:hover { color: var(--primary); }
.series-body p { font-size: var(--text-sm); color: var(--ink-2); line-height: 1.6; flex: 1; }
.series-stats { margin-top: 18px; display: flex; gap: 16px; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); }
@media (max-width: 880px) { .series-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .series-card { grid-template-columns: 1fr; } .series-cover { aspect-ratio: 16 / 8; border-right: 0; border-bottom: 1px solid var(--border); } }
.news-month { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-3); margin: 44px 0 6px; }
.news-list > .news-month:first-child { margin-top: 0; }
.news-item { display: grid; grid-template-columns: 120px 1fr auto; gap: 20px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--border); }
.news-item .nd { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); white-space: nowrap; }
.news-item h3 { font-size: var(--text-lg); letter-spacing: -0.01em; line-height: 1.35; }
.news-item h3 a:hover { color: var(--primary); }
.news-item p { margin: 6px 0 0; font-size: var(--text-sm); color: var(--ink-2); }
.news-item .pill { justify-self: end; }
@media (max-width: 640px) { .news-item { grid-template-columns: 1fr; gap: 6px; } .news-item .pill { justify-self: start; } }
.pager { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 52px; }
.pager a, .pager span.gap { min-width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--ink-2); }
.pager span.gap { color: var(--ink-3); }
.pager a { border: 1px solid transparent; }
.pager a:hover { background: var(--accent); color: var(--foreground); }
.pager a[aria-current="page"] { background: var(--acc-soft); color: var(--primary); border-color: var(--acc-line); }
.pager .pg-nav { border: 1px solid var(--input); padding: 0 14px; display: inline-flex; align-items: center; gap: 6px; }
.pager .pg-nav svg { width: 15px; height: 15px; }
.pager .pg-nav[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.article-wrap { max-width: 760px; margin-inline: auto; }
.article-cover { aspect-ratio: 21 / 10; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--border); background: var(--muted); margin-top: 32px; }
.article-cover image-slot { width: 100%; height: 100%; }
.article-head h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.025em; line-height: 1.12; margin: 18px 0 0; text-wrap: balance; }
.meta-row { margin-top: 24px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: var(--text-sm); color: var(--ink-2); }
.meta-row .m-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--mauve-300); }
.meta-row .m-author { display: inline-flex; align-items: center; gap: 9px; font-weight: var(--weight-medium); color: var(--foreground); }
.meta-row .m-author:hover { color: var(--primary); }
.meta-row .m-dim { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); }
.save-btn { margin-left: auto; display: none; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: var(--radius-full); border: 1px solid var(--input); background: var(--background); font-family: inherit; font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--ink-2); cursor: pointer; transition: all var(--duration-base) var(--ease-standard); }
.save-btn.show { display: inline-flex; }
.save-btn:hover { border-color: var(--primary); color: var(--primary); }
.save-btn svg { width: 16px; height: 16px; fill: none; }
.save-btn[aria-pressed="true"] { background: var(--acc-soft); border-color: var(--primary); color: var(--primary); }
.save-btn[aria-pressed="true"] svg { fill: currentColor; }
.prose { margin-top: 44px; font-size: 1.07rem; line-height: 1.75; color: var(--mauve-700); }
.prose > * + * { margin-top: 20px; }
.prose h2 { font-size: 1.55rem; font-weight: var(--weight-semibold); letter-spacing: -0.02em; color: var(--foreground); margin-top: 44px; line-height: 1.25; }
.prose h3 { font-size: 1.2rem; font-weight: var(--weight-semibold); letter-spacing: -0.015em; color: var(--foreground); margin-top: 36px; }
.prose ul, .prose ol { padding-left: 24px; display: flex; flex-direction: column; gap: 8px; }
.prose li::marker { color: var(--primary); }
.prose strong { color: var(--foreground); }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in oklch, var(--primary) 40%, transparent); }
.prose blockquote { margin: 32px 0; padding: 6px 0 6px 24px; border-left: 3px solid var(--primary); font-size: 1.25rem; line-height: 1.5; letter-spacing: -0.01em; font-weight: var(--weight-medium); color: var(--foreground); }
.prose blockquote p { margin: 0; }
.prose blockquote cite { display: block; margin-top: 12px; font-style: normal; font-size: var(--text-xs); font-family: var(--font-mono); color: var(--ink-3); }
.prose pre { margin: 32px 0; background: var(--mauve-950); color: var(--mauve-100); border-radius: var(--radius-lg); padding: 22px 24px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.65; }
.prose code { font-family: var(--font-mono); font-size: 0.88em; }
.prose :not(pre) > code { background: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 2px 6px; color: var(--foreground); }
.prose figure { margin: 36px 0; }
.prose figure .fig-img { aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--muted); }
.prose figure image-slot { width: 100%; height: 100%; }
.prose figcaption { margin-top: 12px; text-align: center; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); }
.series-box { margin-top: 36px; border: 1px solid var(--acc-line); background: var(--acc-soft); border-radius: var(--radius-lg); padding: 20px 22px; }
.series-box .sb-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.series-box .sb-k { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--primary); }
.series-box .sb-t { font-weight: var(--weight-semibold); margin-top: 4px; }
.series-box .sb-t a:hover { color: var(--primary); }
.series-box .sb-count { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-2); white-space: nowrap; }
.series-box .sb-nav { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--acc-line); display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.series-box .sb-nav a { display: inline-flex; align-items: center; gap: 8px; font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--foreground); }
.series-box .sb-nav a:hover { color: var(--primary); }
.series-box .sb-nav svg { width: 15px; height: 15px; }
.tag-row { margin-top: 44px; display: flex; gap: 8px; flex-wrap: wrap; }
.author-card { margin-top: 28px; padding: 26px 28px; display: flex; gap: 18px; align-items: flex-start; }
.author-card .a-name { font-weight: var(--weight-semibold); }
.author-card .a-role { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--primary); margin-top: 2px; }
.author-card .a-bio { margin-top: 10px; font-size: var(--text-sm); color: var(--ink-2); line-height: 1.6; max-width: 58ch; }
.author-card .a-social { margin-top: 12px; display: flex; gap: 14px; }
.author-card .a-social a { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); }
.author-card .a-social a:hover { color: var(--primary); }
.cta-mini { margin-top: 56px; background: var(--mauve-950); color: var(--mauve-50); border-radius: var(--radius-xl); padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; position: relative; overflow: hidden; }
.cta-mini h3 { font-size: var(--text-xl); letter-spacing: -0.015em; }
.cta-mini p { margin-top: 8px; color: var(--mauve-300); font-size: var(--text-sm); }
.lesson-list { counter-reset: lesson; display: flex; flex-direction: column; gap: 14px; }
.lesson { counter-increment: lesson; display: grid; grid-template-columns: 56px 1fr auto; gap: 18px; align-items: center; padding: 22px 26px; }
.lesson::before { content: counter(lesson, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--text-lg); font-weight: var(--weight-semibold); color: var(--primary); }
.lesson h3 { font-size: var(--text-base); font-weight: var(--weight-semibold); }
.lesson h3 a:hover { color: var(--primary); }
.lesson p { margin-top: 5px; font-size: var(--text-sm); color: var(--ink-2); }
@media (max-width: 560px) { .lesson { grid-template-columns: 44px 1fr; } .lesson .read-time { grid-column: 2; } }
.skel { position: relative; overflow: hidden; background: var(--muted); border-radius: var(--radius-sm); }
.skel::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, oklch(1 0 0 / 0.55), transparent); animation: skel-sh 1.3s infinite; }
@keyframes skel-sh { to { transform: translateX(100%); } }
.skel-cover { aspect-ratio: 16 / 9; border-radius: 0; border-bottom: 1px solid var(--border); }
.skel-line { height: 12px; margin-top: 10px; }
.empty { text-align: center; padding: 64px 24px; }
.empty .e-ic { width: 60px; height: 60px; border-radius: 50%; background: var(--muted); border: 1px solid var(--border); color: var(--ink-3); display: grid; place-items: center; margin: 0 auto 20px; }
.empty .e-ic svg { width: 26px; height: 26px; }
.empty h3 { font-size: var(--text-lg); }
.empty p { margin-top: 8px; color: var(--ink-2); font-size: var(--text-sm); max-width: 40ch; margin-inline: auto; }
.empty .btn { margin-top: 22px; }